Boys can be relative to offspring of controls.Logical formLearned from2 sentences. Offspring may be misclassified.Logical formLearned from2 sentences. Ever-smokers can be by an offspring.Logical formLearned from2 sentences. Some offspring may be reported on parents.Logical formLearned from2 sentences. (Offspring assessments) can be constituted-of-or-filled-with (smoking status).Logical formLearned from2 sentences. Offspring may be exposed to cocaine.Logical formLearned from2 sentences. A path can be to (adult offspring smoking).Logical formLearned from2 sentences. Factors of status may be related to (adult offspring smoking).Logical formLearned from2 sentences. (Gene alterations) can be in an offspring of mothers.Logical formLearned from2 sentences. Offspring can be at risk of a pathway to (conduct problems).Logical formLearned from2 sentences. (Conduct problems) can be in offspring.Logical formLearned from2 sentences. A cortex can be in an offspring.Logical formLearned from2 sentences. An offspring may reach some years of age.Logical formLearned from2 sentences. Offspring of mothers may have a risk.Logical formLearned from2 sentences. An offspring can be before trials.Logical formLearned from2 sentences.